update hyprland example

Aylur/ags#528

Author: Aylur

src/content/docs/services/hyprland.md

@@ -79,7 +79,7 @@ const hyprland = await Service.import('hyprland')
 const focusedTitle = Widget.Label({
     label: hyprland.active.client.bind('title'),
     visible: hyprland.active.client.bind('address')
-        .as(addr => !!addr),
+        .as(addr => addr !== "0x"),
 })
 
 const dispatch = ws => hyprland.messageAsync(`dispatch workspace ${ws}`);